diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 9a46be05425a4d2bc6b298b33bbed37b45941833..ce4d4303229c947c0e6d0a2247d1bffde63438eb 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -77,6 +77,7 @@ static void mock_device_release(struct drm_device *dev)
 	drm_mode_config_cleanup(&i915->drm);
 
 out:
+	i915_params_free(&i915->params);
 	put_device(&i915->drm.pdev->dev);
 	i915->drm.pdev = NULL;
 }
@@ -159,6 +160,8 @@ struct drm_i915_private *mock_gem_device(void)
 	i915->drm.pdev = pdev;
 	drmm_add_final_kfree(&i915->drm, i915);
 
+	i915_params_copy(&i915->params, &i915_modparams);
+
 	intel_runtime_pm_init_early(&i915->runtime_pm);
 
 	/* Using the global GTT may ask questions about KMS users, so prepare */